Which can be found in both viruses and living organisms? A) Mitochondria
B) Chloroplasts
C) Nuclei
D) DNA ​

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of